Flipped classrooms starts to influence learning environments around 2017
Grader A: hit
Grader B: hit
agrees with A, without seeing its verdict
Audit: confirmed
in the fixed audit sample (D11)
Published: hit
Grader A: hit
Speak Up 2013: 16% of math/science teachers already implementing flipped learning with video; reached before Y.
Test: abstract-practice test: at least 5% of teachers flip instruction by 2019
Grader B: hit
FLN/Sophia 2014: 78% of surveyed teachers flipped at least one lesson (up from 48% in 2012); Speak Up 2013 also reported a notable share of teachers flipping. Self-selected sample, but Speak Up confirms share above 5% before 2019.
Test: Practice test: routine in at least 5% of schools/teachers by 2019 (earlier counts).